import router from './router'
import { ElMessage } from 'element-plus'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import { getToken, removeToken } from '@/utils/auth'
import { isHttp } from '@/utils/validate'
import { isRelogin } from '@/utils/request'
import useUserStore from '@/store/modules/user'
import useSettingsStore from '@/store/modules/settings'
import usePermissionStore from '@/store/modules/permission'
import { nextTick } from 'vue'



NProgress.configure({ showSpinner: false });

const whiteList = ['/login', '/register','/test'];

router.beforeEach((to, from, next) => {
  console.log("beforeEach", to, from, getToken())
  NProgress.start()
  if (getToken()) {
    to.meta.title && useSettingsStore().setTitle(to.meta.title)
    /* has token*/
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done()
    } else if (whiteList.indexOf(to.path) !== -1) {
      next()
    } else {
      if (useUserStore().roles.length === 0) {
     
        isRelogin.show = true
        // 判断当前用户是否已拉取完user_info信息
        useUserStore().getInfo().then(() => {
          isRelogin.show = false
          usePermissionStore().generateRoutes().then(accessRoutes => {
            // 根据roles权限生成可访问的路由表
              
            if (accessRoutes.length == 0) {
              // 没有路由菜单
              ElMessage.error("没有正确分配用户权限，请联系管理员！")
              removeToken()
              // next(`/login`) // 否则全部重定向到登录页
              next({ path: "/login", replace: true })
              
              // next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
              NProgress.done()
            }
            else {
              accessRoutes.forEach(route => {
                if (!isHttp(route.path)) {
                  router.addRoute(route) // 动态添加可访问路由表
                }
              })
              
              if (to.fullPath == "/") {
                let redirectArr = []
                accessRoutes.forEach((item, index) => {
                  if (index == 0) {
                    redirectArr.push(item.path)
                    item.children.forEach((k,i) => {
                      if (i==0) {
                        redirectArr.push(k.path)
                      }
                    })
                  }
                })
                let redirectPath = redirectArr.join("/");
                next({ path: redirectPath })
              }
              else {
                next({ ...to, replace: true })
              }
            }
            

            // 首页逻辑  勿删 勿删 勿删
            // next({ ...to, replace: true }) // hack方法 确保addRoutes已完成
          })
        }).catch(err => {
          useUserStore().logOut().then(() => {
            ElMessage.error(err)
            next({ path: '/' })
          })
        })
      }
       else {
        // 原逻辑
        next()
      }
    }
  } else {
    // 没有token
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，直接进入
      next()
    } else {
      // next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
      next(`/login`) // 否则全部重定向到登录页
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  NProgress.done()
})
